gecko-dev/dom/ipc/tests/browser_crash_oopiframe.js

93 строки
2.6 KiB
JavaScript

"use strict";
/**
* In this test, we crash an out-of-process iframe and
* verify that :
* 1. the "oop-browser-crashed" event is dispatched with
* the browsing context of the crashed oop subframe.
* 2. the crashed subframe is now pointing at "about:framecrashed"
* page.
*/
add_task(async function() {
// Open a new window with fission enabled.
ok(
SpecialPowers.useRemoteSubframes,
"This test only makes sense of we can use OOP iframes."
);
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: "about:blank",
},
async browser => {
let rootBC = browser.browsingContext;
// If we load example.com in an injected subframe, we assume that this
// will load in its own subprocess, which we can then crash.
let iframeBC = await SpecialPowers.spawn(browser, [], async () => {
let iframe = content.document.createElement("iframe");
iframe.setAttribute("src", "http://example.com");
content.document.body.appendChild(iframe);
await ContentTaskUtils.waitForEvent(iframe, "load");
return iframe.frameLoader.browsingContext;
});
is(iframeBC.parent, rootBC, "oop frame has root as parent");
let eventFiredPromise = BrowserTestUtils.waitForEvent(
browser,
"oop-browser-crashed"
);
BrowserTestUtils.crashFrame(
browser,
true /* shouldShowTabCrashPage */,
true /* shouldClearMinidumps */,
iframeBC
);
info("Waiting for oop-browser-crashed event.");
await eventFiredPromise.then(event => {
ok(!event.isTopFrame, "should not be reporting top-level frame crash");
isnot(
event.browsingContextId,
rootBC,
"top frame browsing context id not expected."
);
is(
event.browsingContextId,
iframeBC.id,
"oop frame browsing context id expected."
);
});
// The BrowsingContext is re-used, but the window global might still be
// getting set up at this point, so wait until it's been initialized.
let {
subject: windowGlobal,
} = await BrowserUtils.promiseObserved("window-global-created", wgp =>
wgp.documentURI.spec.startsWith("about:framecrashed")
);
is(
windowGlobal,
iframeBC.currentWindowGlobal,
"Resolved on expected window global"
);
let newIframeURI = await SpecialPowers.spawn(iframeBC, [], async () => {
return content.document.documentURI;
});
ok(
newIframeURI.startsWith("about:framecrashed"),
"The iframe is now pointing at about:framecrashed"
);
}
);
});